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TY - CONF AU - Nozawa, I. AU - Gohdo, M. AU - Kan, K. AU - Kondoh, T. AU - Yang, J. AU - Yoshida, Y. ED - Schaa, Volker RW TI - Bunch Length Measurement Based on Interferometric Technique by Observing Coherent Transition Radiation J2 - Proc. of IBIC2016, Barcelona, Spain, Sept. 13-18, 2016 C1 - Barcelona, Spain T2 - International Beam Instrumentation Conference T3 - 5 LA - english AB - Generation and diagnosis of ultrashort electron bunches are one of the main topics of accelerator physics and applications in related scientific fields. In this study, ultrashort electron bunches with bunch lengths of femtoseconds and bunch charges of picocoulombs were generated from a laser photocathode RF gun linac and an achromatic arc-type bunch compressor. Observing coherent transition radiation (CTR) emitted from the electron bunches using a Michelson interferometer, the interferograms of CTR were measured experimentally. The bunch lengths were diagnosed by performing a model-based analysis of the interferograms of CTR. PB - JACoW CP - Geneva, Switzerland SP - 499 EP - 501 KW - electron KW - radiation KW - linac KW - gun KW - detector DA - 2017/02 PY - 2017 SN - 978-3-95450-177-9 DO - 10.18429/JACoW-IBIC2016-TUPG64 UR - http://jacow.org/ibic2016/papers/tupg64.pdf ER -